418 lines
13 KiB
Rust
418 lines
13 KiB
Rust
use std::collections::HashMap;
|
|
use std::time::Duration;
|
|
|
|
use anyhow::{Error, anyhow};
|
|
use common::config_dir;
|
|
use gpui::{App, AppContext, Context, Entity, EventEmitter, Global, Task, Window};
|
|
use nostr_gossip_memory::prelude::*;
|
|
#[cfg(not(target_arch = "wasm32"))]
|
|
use nostr_lmdb::prelude::*;
|
|
#[cfg(target_arch = "wasm32")]
|
|
use nostr_memory::prelude::*;
|
|
use nostr_sdk::prelude::*;
|
|
|
|
mod blossom;
|
|
mod constants;
|
|
mod nip05;
|
|
mod nip4e;
|
|
mod signer;
|
|
|
|
pub use blossom::*;
|
|
pub use constants::*;
|
|
pub use nip4e::*;
|
|
pub use nip05::*;
|
|
pub use signer::UniversalSigner;
|
|
|
|
pub fn init(window: &mut Window, cx: &mut App) {
|
|
// rustls uses the `aws_lc_rs` provider by default
|
|
// This only errors if the default provider has already
|
|
// been installed. We can ignore this `Result`.
|
|
#[cfg(not(target_arch = "wasm32"))]
|
|
rustls::crypto::aws_lc_rs::default_provider()
|
|
.install_default()
|
|
.ok();
|
|
|
|
// Initialize the tokio runtime
|
|
#[cfg(not(target_arch = "wasm32"))]
|
|
gpui_tokio::init(cx);
|
|
|
|
NostrRegistry::set_global(cx.new(|cx| NostrRegistry::new(window, cx)), cx);
|
|
}
|
|
|
|
struct GlobalNostrRegistry(Entity<NostrRegistry>);
|
|
|
|
impl Global for GlobalNostrRegistry {}
|
|
|
|
/// Signer event.
|
|
#[derive(Debug, Clone, PartialEq, Eq, PartialOrd, Ord)]
|
|
pub enum StateEvent {
|
|
/// The signer has changed
|
|
SignerChanged,
|
|
/// Connecting to the bootstrapping relay
|
|
Connecting,
|
|
/// Connected to the bootstrapping relay
|
|
Connected,
|
|
/// An error occurred
|
|
Error(String),
|
|
}
|
|
|
|
impl StateEvent {
|
|
pub fn error<T>(error: T) -> Self
|
|
where
|
|
T: Into<String>,
|
|
{
|
|
Self::Error(error.into())
|
|
}
|
|
|
|
pub fn is_connecting(&self) -> bool {
|
|
matches!(self, StateEvent::Connecting)
|
|
}
|
|
|
|
pub fn is_connected(&self) -> bool {
|
|
matches!(self, StateEvent::Connected)
|
|
}
|
|
|
|
pub fn signer_changed(&self) -> bool {
|
|
matches!(self, StateEvent::SignerChanged)
|
|
}
|
|
}
|
|
|
|
/// Nostr Registry
|
|
#[derive(Debug)]
|
|
pub struct NostrRegistry {
|
|
/// Nostr client
|
|
client: Client,
|
|
|
|
/// Universal signer
|
|
signer: UniversalSigner,
|
|
|
|
/// Current user's public key
|
|
current_user: Option<PublicKey>,
|
|
|
|
/// Tasks for asynchronous operations
|
|
tasks: Vec<Task<Result<(), Error>>>,
|
|
}
|
|
|
|
impl EventEmitter<StateEvent> for NostrRegistry {}
|
|
|
|
impl NostrRegistry {
|
|
/// Retrieve the global nostr state
|
|
pub fn global(cx: &App) -> Entity<Self> {
|
|
cx.global::<GlobalNostrRegistry>().0.clone()
|
|
}
|
|
|
|
/// Set the global nostr instance
|
|
fn set_global(state: Entity<Self>, cx: &mut App) {
|
|
cx.set_global(GlobalNostrRegistry(state));
|
|
}
|
|
|
|
/// Create a new nostr instance
|
|
fn new(window: &mut Window, cx: &mut Context<Self>) -> Self {
|
|
let signer = UniversalSigner::new(Keys::generate());
|
|
let authenticator = SignerAuthenticator::new(signer.clone());
|
|
|
|
// Construct the nostr lmdb instance
|
|
#[cfg(not(target_arch = "wasm32"))]
|
|
let database = cx.foreground_executor().block_on(async move {
|
|
NostrLmdb::open(config_dir().join("nostr"))
|
|
.await
|
|
.expect("Failed to initialize database")
|
|
});
|
|
|
|
#[cfg(target_arch = "wasm32")]
|
|
let database = MemoryDatabase::unbounded();
|
|
|
|
// Construct the nostr client
|
|
let client = ClientBuilder::default()
|
|
.database(database)
|
|
.authenticator(authenticator)
|
|
.gossip(NostrGossipMemory::unbounded())
|
|
.gossip_config(GossipConfig::default().no_background_refresh())
|
|
.connect_timeout(Duration::from_secs(10))
|
|
.sleep_when_idle(SleepWhenIdle::Enabled {
|
|
timeout: Duration::from_secs(600),
|
|
})
|
|
.build();
|
|
|
|
// Connect to bootstrap relays after the window is ready
|
|
cx.defer_in(window, |this, _window, cx| {
|
|
this.connect_bootstrap_relays(cx);
|
|
this.check_credential(cx);
|
|
});
|
|
|
|
Self {
|
|
client,
|
|
signer,
|
|
current_user: None,
|
|
tasks: vec![],
|
|
}
|
|
}
|
|
|
|
/// Get the nostr client
|
|
pub fn client(&self) -> Client {
|
|
self.client.clone()
|
|
}
|
|
|
|
/// Get the current signer
|
|
pub fn signer(&self) -> UniversalSigner {
|
|
self.signer.clone()
|
|
}
|
|
|
|
/// Get the current user's public key
|
|
pub fn current_user(&self) -> Option<PublicKey> {
|
|
self.current_user
|
|
}
|
|
|
|
/// Update the signer
|
|
pub fn set_signer<T>(&mut self, new_signer: T, cx: &mut Context<Self>)
|
|
where
|
|
T: AsyncGetPublicKey + AsyncSignEvent + AsyncNip44 + 'static,
|
|
<T as AsyncGetPublicKey>::Error: std::error::Error + Send + Sync + 'static,
|
|
<T as AsyncSignEvent>::Error: std::error::Error + Send + Sync + 'static,
|
|
<T as AsyncNip44>::Error: std::error::Error + Send + Sync + 'static,
|
|
{
|
|
cx.spawn(async move |this, cx| {
|
|
match new_signer.get_public_key_async().await {
|
|
Ok(public_key) => {
|
|
this.update(cx, |this, cx| {
|
|
this.signer.swap_inner(new_signer);
|
|
this.current_user = Some(public_key);
|
|
cx.emit(StateEvent::SignerChanged);
|
|
cx.notify();
|
|
})
|
|
.ok();
|
|
}
|
|
Err(e) => {
|
|
this.update(cx, |_this, cx| {
|
|
cx.emit(StateEvent::error(e.to_string()));
|
|
})
|
|
.ok();
|
|
}
|
|
};
|
|
})
|
|
.detach();
|
|
}
|
|
|
|
/// Connect to the bootstrapping relays
|
|
fn connect_bootstrap_relays(&mut self, cx: &mut Context<Self>) {
|
|
let client = self.client();
|
|
|
|
// Emit connecting event
|
|
cx.emit(StateEvent::Connecting);
|
|
|
|
let task: Task<Result<(), Error>> = cx.background_spawn(async move {
|
|
// Add indexer relay to the relay pool
|
|
for url in INDEXER_RELAYS.into_iter() {
|
|
client
|
|
.add_relay(url)
|
|
.capabilities(RelayCapabilities::DISCOVERY)
|
|
.await?;
|
|
}
|
|
|
|
// Add bootstrap relay to the relay pool
|
|
for url in BOOTSTRAP_RELAYS.into_iter() {
|
|
client.add_relay(url).await?;
|
|
}
|
|
|
|
// Connect to all added relays
|
|
client.connect().await;
|
|
|
|
Ok(())
|
|
});
|
|
|
|
self.tasks.push(cx.spawn(async move |this, cx| {
|
|
if let Err(e) = task.await {
|
|
this.update(cx, |_this, cx| {
|
|
cx.emit(StateEvent::error(e.to_string()));
|
|
})?;
|
|
} else {
|
|
this.update(cx, |_this, cx| {
|
|
cx.emit(StateEvent::Connected);
|
|
})?;
|
|
}
|
|
|
|
Ok(())
|
|
}));
|
|
}
|
|
|
|
fn check_credential(&mut self, cx: &mut Context<Self>) {
|
|
self.tasks.push(cx.spawn(async move |this, cx| {
|
|
this.update(cx, |this, cx| {
|
|
// TODO: check credential
|
|
cx.notify();
|
|
})?;
|
|
|
|
Ok(())
|
|
}));
|
|
}
|
|
|
|
/// Get the public key of a NIP-05 address
|
|
pub fn query_address(&self, addr: Nip05Address, cx: &App) -> Task<Result<PublicKey, Error>> {
|
|
let client = self.client();
|
|
let http_client = cx.http_client();
|
|
|
|
cx.background_spawn(async move {
|
|
let profile = addr.profile(&http_client).await?;
|
|
let public_key = profile.public_key;
|
|
|
|
let opts = SubscribeAutoCloseOptions::default()
|
|
.exit_policy(ReqExitPolicy::ExitOnEOSE)
|
|
.timeout(Some(Duration::from_secs(3)));
|
|
|
|
// Construct the filter for the metadata event
|
|
let filter = Filter::new()
|
|
.kind(Kind::Metadata)
|
|
.author(public_key)
|
|
.limit(1);
|
|
|
|
// Construct target for subscription
|
|
let target: HashMap<&str, Vec<Filter>> = BOOTSTRAP_RELAYS
|
|
.into_iter()
|
|
.map(|relay| (relay, vec![filter.clone()]))
|
|
.collect();
|
|
|
|
client.subscribe(target).close_on(opts).await?;
|
|
|
|
Ok(public_key)
|
|
})
|
|
}
|
|
|
|
/// Perform a NIP-50 global search for user profiles based on a given query
|
|
pub fn search(&self, query: &str, cx: &App) -> Task<Result<Vec<PublicKey>, Error>> {
|
|
let client = self.client();
|
|
let query = query.to_string();
|
|
|
|
// Get the address task if the query is a valid NIP-05 address
|
|
let address_task = if let Ok(addr) = Nip05Address::parse(&query) {
|
|
Some(self.query_address(addr, cx))
|
|
} else {
|
|
None
|
|
};
|
|
|
|
cx.background_spawn(async move {
|
|
let mut results: Vec<PublicKey> = Vec::with_capacity(FIND_LIMIT);
|
|
|
|
// Return early if the query is a valid NIP-05 address
|
|
if let Some(task) = address_task
|
|
&& let Ok(public_key) = task.await
|
|
{
|
|
results.push(public_key);
|
|
return Ok(results);
|
|
}
|
|
|
|
// Add search relay to the relay pool
|
|
for url in SEARCH_RELAYS.into_iter() {
|
|
if client.relay(url).await.is_ok() {
|
|
client
|
|
.add_relay(url)
|
|
.capabilities(RelayCapabilities::READ)
|
|
.await?;
|
|
} else {
|
|
return Err(anyhow!("Failed to add search relay: {}", url));
|
|
}
|
|
}
|
|
|
|
// Return early if the query is a valid public key
|
|
if let Ok(public_key) = PublicKey::parse(&query) {
|
|
results.push(public_key);
|
|
return Ok(results);
|
|
}
|
|
|
|
// Construct the filter for the search query
|
|
let filter = Filter::new()
|
|
.search(query.to_lowercase())
|
|
.kind(Kind::Metadata)
|
|
.limit(FIND_LIMIT);
|
|
|
|
// Construct target for subscription
|
|
let target: HashMap<&str, Vec<Filter>> = SEARCH_RELAYS
|
|
.into_iter()
|
|
.map(|relay| (relay, vec![filter.clone()]))
|
|
.collect();
|
|
|
|
// Stream events from the search relays
|
|
let mut stream = client
|
|
.stream_events(target)
|
|
.timeout(Duration::from_secs(TIMEOUT))
|
|
.await?;
|
|
|
|
// Collect the results
|
|
while let Some((_url, res)) = stream.next().await {
|
|
if let Ok(event) = res {
|
|
results.push(event.pubkey);
|
|
}
|
|
}
|
|
|
|
if results.is_empty() {
|
|
return Err(anyhow!("No results for query {query}"));
|
|
}
|
|
|
|
Ok(results)
|
|
})
|
|
}
|
|
|
|
/// Perform a WoT (via Vertex) search for a given query.
|
|
pub fn wot_search(&self, query: &str, cx: &App) -> Task<Result<Vec<PublicKey>, Error>> {
|
|
let client = self.client();
|
|
let query = query.to_string();
|
|
let signer = self.signer.clone();
|
|
|
|
cx.background_spawn(async move {
|
|
// Construct a vertex request event
|
|
let event = EventBuilder::new(Kind::Custom(5315), "")
|
|
.tags(vec![
|
|
Tag::custom("param", vec!["search", &query]),
|
|
Tag::custom("param", vec!["limit", "10"]),
|
|
])
|
|
.finalize_async(&signer)
|
|
.await?;
|
|
|
|
// Send the event to vertex relays
|
|
let output = client.send_event(&event).to(WOT_RELAYS).await?;
|
|
|
|
// Construct a filter to get the response or error from vertex
|
|
let filter = Filter::new()
|
|
.kinds(vec![Kind::Custom(6315), Kind::Custom(7000)])
|
|
.event(output.id().to_owned());
|
|
|
|
// Construct target for subscription
|
|
let target: HashMap<&str, Vec<Filter>> = WOT_RELAYS
|
|
.into_iter()
|
|
.map(|relay| (relay, vec![filter.clone()]))
|
|
.collect();
|
|
|
|
// Stream events from the wot relays
|
|
let mut stream = client
|
|
.stream_events(target)
|
|
.timeout(Duration::from_secs(TIMEOUT))
|
|
.await?;
|
|
|
|
while let Some((_url, res)) = stream.next().await {
|
|
if let Ok(event) = res {
|
|
match event.kind {
|
|
Kind::Custom(6315) => {
|
|
let content: serde_json::Value = serde_json::from_str(&event.content)?;
|
|
let pubkeys: Vec<PublicKey> = content
|
|
.as_array()
|
|
.into_iter()
|
|
.flatten()
|
|
.filter_map(|item| item.as_object())
|
|
.filter_map(|obj| obj.get("pubkey").and_then(|v| v.as_str()))
|
|
.filter_map(|pubkey_str| PublicKey::parse(pubkey_str).ok())
|
|
.collect();
|
|
|
|
return Ok(pubkeys);
|
|
}
|
|
Kind::Custom(7000) => {
|
|
return Err(anyhow!("Search error"));
|
|
}
|
|
_ => {}
|
|
}
|
|
}
|
|
}
|
|
|
|
Err(anyhow!("No results for query: {query}"))
|
|
})
|
|
}
|
|
}
|